7. Sasol ( SSL) Company profile: Sasol is South Africa's leading petrochemical company, with a diverse product line, such as chemicals and liquid fuels using gas-to-liquids and coal-to-liquids technologies, which convert natural gas and coal to diesel and other liquid fuels. Recently, these technologies have been attracting attention because they provide an alternative to traditional oil. Investor takeaway: Sasol's shares are up 9% this year and have a three-year annualized return of 30%. The company's shares have a market value of $31 billion and a dividend yield of 3.26%. Analysts, who give it one "buy" rating, one "hold," and one "weak hold," estimate its 2012 earnings $5.14 per share and that that will grow by 2% in 2013, according to S&P, which doesn't have a rating on the shares. Morningstar says Sasol's has a deleveraged balance sheet and a strong cash position so that it can self-fund new programs.